函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\io-wq.c Create Date:2022-07-29 10:55:42
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：io_wq_cancel_all

函数原型：void io_wq_cancel_all(struct io_wq *wq)

返回类型：void

参数：

类型参数名称
struct io_wq *wq
820  设置内存位
822  _read_lock() - mark the beginning of an RCU read-side critical section* When synchronize_rcu() is invoked on one CPU while other CPUs* are within RCU read-side critical sections, then the* synchronize_rcu() is guaranteed to block until after all the other
823  for_each_node(node)
824  wqe等于wqes[node]
826  Iterate the passed in list and call the specific function for each* worker that isn't exiting
828  _read_unlock() - marks the end of an RCU read-side critical section.* In most situations, rcu_read_unlock() is immune from deadlock.* However, in kernels built with CONFIG_RCU_BOOST, rcu_read_unlock()